45115724 has 12 divisors (see below), whose sum is σ = 79111200. Its totient is φ = 22512528.

The previous prime is 45115717. The next prime is 45115727. The reversal of 45115724 is 42751154.

It is not an unprimeable number, because it can be changed into a prime (45115727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9044 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (6592600).

Almost surely, 2^45115724 is an apocalyptic number.

It is an amenable number.

45115724 is a deficient number, since it is larger than the sum of its proper divisors (33995476).

45115724 is a wasteful number, since it uses less digits than its factorization.

45115724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672 (or 22670 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 45115724 is about 6716.8239518391. The cubic root of 45115724 is about 355.9939716187.

Adding to 45115724 its reverse (42751154), we get a palindrome (87866878).

The spelling of 45115724 in words is "forty-five million, one hundred fifteen thousand, seven hundred twenty-four".